a. correspondence with the State Historical Society of North Dakota regarding Indian population figures for 1890, 1930.
b. typescript of a program for the dedication of a memorial for deceased chiefs of the Cheyenne River Sioux tribe, and for tribal members who died in service during World War I, 1932.
c. typescript of Ethnologic Project Among Oklahoma Indians, by K. G. Orr, 1945.
d. correspondence with the United States Mint regarding the purchase of Indian peace medals, 1946.
e. research correspondence regarding general information on Indians, 1928-1949.